From 1987a940b730415e39c6568ea2dbab02aa12742b Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Wed, 15 Feb 2012 19:20:30 -0500
Subject: [PATCH] libgsmenc: use AVCodec.encode2()

---
 libavcodec/libgsm.c | 34 ++++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/libavcodec/libgsm.c b/libavcodec/libgsm.c
index fb7b196022..8b0a13ba1a 100644
--- a/libavcodec/libgsm.c
+++ b/libavcodec/libgsm.c
@@ -30,6 +30,7 @@
 #include <gsm/gsm.h>
 
 #include "avcodec.h"
+#include "internal.h"
 #include "gsm.h"
 
 static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
@@ -69,36 +70,49 @@ static av_cold int libgsm_encode_init(AVCodecContext *avctx) {
         }
     }
 
+#if FF_API_OLD_ENCODE_AUDIO
     avctx->coded_frame= avcodec_alloc_frame();
     if (!avctx->coded_frame) {
         gsm_destroy(avctx->priv_data);
         return AVERROR(ENOMEM);
     }
+#endif
 
     return 0;
 }
 
 static av_cold int libgsm_encode_close(AVCodecContext *avctx) {
+#if FF_API_OLD_ENCODE_AUDIO
     av_freep(&avctx->coded_frame);
+#endif
     gsm_destroy(avctx->priv_data);
     avctx->priv_data = NULL;
     return 0;
 }
 
-static int libgsm_encode_frame(AVCodecContext *avctx,
-                               unsigned char *frame, int buf_size, void *data) {
-    // we need a full block
-    if(buf_size < avctx->block_align) return 0;
+static int libgsm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
+                               const AVFrame *frame, int *got_packet_ptr)
+{
+    int ret;
+    gsm_signal *samples = (gsm_signal *)frame->data[0];
+    struct gsm_state *state = avctx->priv_data;
+
+    if ((ret = ff_alloc_packet(avpkt, avctx->block_align))) {
+        av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
+        return ret;
+    }
 
     switch(avctx->codec_id) {
     case CODEC_ID_GSM:
-        gsm_encode(avctx->priv_data,data,frame);
+        gsm_encode(state, samples, avpkt->data);
         break;
     case CODEC_ID_GSM_MS:
-        gsm_encode(avctx->priv_data,data,frame);
-        gsm_encode(avctx->priv_data,((short*)data)+GSM_FRAME_SIZE,frame+32);
+        gsm_encode(state, samples,                  avpkt->data);
+        gsm_encode(state, samples + GSM_FRAME_SIZE, avpkt->data + 32);
     }
-    return avctx->block_align;
+
+    *got_packet_ptr = 1;
+    return 0;
 }
 
 
@@ -107,7 +121,7 @@ AVCodec ff_libgsm_encoder = {
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = CODEC_ID_GSM,
     .init           = libgsm_encode_init,
-    .encode         = libgsm_encode_frame,
+    .encode2        = libgsm_encode_frame,
     .close          = libgsm_encode_close,
     .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM"),
@@ -118,7 +132,7 @@ AVCodec ff_libgsm_ms_encoder = {
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = CODEC_ID_GSM_MS,
     .init           = libgsm_encode_init,
-    .encode         = libgsm_encode_frame,
+    .encode2        = libgsm_encode_frame,
     .close          = libgsm_encode_close,
     .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
     .long_name = NULL_IF_CONFIG_SMALL("libgsm GSM Microsoft variant"),